Zephyr Scale Test Run report

Is it possible to configure Zephyr Scale to show how many times a test was run per test case?

I think you're asking to see a list of test cases and at a grouped level the number of times they were executed.  I don't think that's possible right now.  There is an option to show all test executions but that will just give you the detailed list - you'd have to export the data to do the grouping you need